Which steps are needed to solve this equation?
6+6 = 21
Subtract 6 from both sides of the equation.
The answer is b= 15.
Check the solution by substituting 15 for b.
Subtract 6 from the left side and add 6 to the right side of the equatio
The answer is b= 27.
Check the solution by substituting 27 for b.
Add 6 to both sides of the equation.
The answer is b= 27.
Check the solution by substituting 27 for b.
Add 6 to the left side and subtract 6 from the right side of the equation.
The answer is b= 15.
Check the solution by substituting 15 for b.
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